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研究生:陳懋琦
研究生(外文):Chen, Mao-Qi
論文名稱:岩石節理面組成模式之研究
論文名稱(外文):A Study on Constitutive Model of Rock Joints
指導教授:黃燦輝黃燦輝引用關係
指導教授(外文):Huang, Can-Hui
學位類別:碩士
校院名稱:國立臺灣大學
系所名稱:土木工程研究所
學門:工程學門
學類:土木工程學類
論文種類:學術論文
畢業學年度:85
語文別:中文
論文頁數:169
中文關鍵詞:節理組成模式微觀力學三維土木工程工程
外文關鍵詞:jointconstitutive modelmicromechanicsthree dimensionCIVIL-ENGINEERINGENGINEERING
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ABSTRACTA Study on Constitutive Model of Rock Joints A two
dimensional constitutive model for rock joint behaviour from the
view point of the micro-mechanics is proposed first. The
undulation of joint profile is modeled by joint elements. The
mechanical behaviour between two corresponding joint elements
are simulated by the interface element that is connected with
normal and shear stiffness spring. The model considers force
equilibrium besides moment equilibrium of joint profile. The
combined failure of upper and lower profile is considered too.
At last, consider contribution of any two dimensional joint
profile to the mechanical behaviour of three dimensional joint
profile. The three dimensional joint behaviour is evaluated by
means of several representative profiles. The two dimensional
constitutive model expands into quasi - three dimensional
constitutive model. It is shown that the three dimensional joint
behaviour -- closure, shear, dilatant, failure modes and
strength, can be analyzed and predicted. To study the effect of
deformation of rock material, finite element program ABAQUS is
used to analyze the behaviour of regular joint under shearing.
From stress distribution in rock material and on interface
elements. A discussion of failure modes and the reasonability of
the constitutive model is made.
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